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Yes — on many airlines you can check two bags, but the allowance, size, weight, and any fees depend on your fare, route, and carrier policy.

No. Most airlines include one personal item with a carry-on; swapping in a second personal item is usually not allowed, and rules vary by carrier.

Yes, a 50/60Hz wall charger is allowed on Copa flights; pack it in carry-on or checked. Power banks and spare lithium cells go in carry-on only.

Yes. On Philippine Airlines, many US/Canada fares include 2 free checked pieces; on weight-based routes you can check two if within your kilo limit.

No—6 oz toothpaste exceeds the 3-1-1 carry-on limit; put it in checked bags. Carry-on tubes must be 3.4 oz (100 mL) or smaller.

Yes. Emirates permits two checked bags. Americas/Africa: most fares = 2 pieces (Economy Special=1). Elsewhere: multiple bags within your kg allowance.

Yes, a 3.38-fl-oz (100 ml) container is allowed in carry-on under the 3-1-1 rule, as long as it fits in your single quart-size liquids bag.

Yes, WestJet lets you bring one carry-on plus one personal item; a small backpack counts as the personal item if it fits under the seat.

Yes, on American you can add your Known Traveler Number after check-in, then reissue your boarding pass to get TSA PreCheck if you’re eligible.

Yes — tasers can be in checked luggage if disabled, with battery rules applied and airline or country limits respected.